﻿package com.example.coolweather.service;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.os.SystemClock;
import android.preference.PreferenceManager;
import android.telecom.Call;

import com.example.myapplication.gson.Weather;
import com.example.myapplication.util.HttpUtil;
import com.example.myapplication.util.Utility;

import java.io.IOException;

public class AutoUpdateService extends Service {
    private Object updateWeather;

    @Override
    public IBinder onBind(Intent intent) {
        return null;
        // TODO: Return the communication channel to the service.
      //  throw new UnsupportedOperationException("Not yet implemented");

        @Override
        public int onStartCommand(Intent intent, int flags, int startId)
        updateWeather();
        updateBingPic();
        AlarmManager manager=(AlarmManager) getSystemService(ALARM_SERVICE);
        int anHour=8 * 60 * 60 * 1000;//这是八小时的毫秒数
        long triggerAtTime= SystemClock.elapsedRealtime() + anHour;
        Intent i=new Intent(this, AutoUpdateService.class);
        PendingIntent pi=PendingIntent.getService(this, 0, i, 0);
        manager.cancel(pi);
        manager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtTime, pi);
            return super.onStartCommand(intent, flags, startId);
        }

    /**
     * 更新天气文件
     */
    private void updateWeather() {
        SharedPreferences prefs= PreferenceManager.getDefaultSharedPreferences(this);
        String weatherString=prefs.getString("weather",null);
        if (weatherString !=null){
            //有缓存时直接解析天气数据
            Weather weather= Utility.handleWeatherResponse(weatherString);
            String weatherId=weather.basic.weatherID;
            String weatherUrl="http://guolin.tech/api/weather?cityid=" +
                    weatherId + "&key=bc0418b57b2d4918819d3974ac1285d9";
            HttpUtil.sendOkHttpRequest(weatherUrl, new Callback(){
                @Override
                public void onResponse(Call call, Response response) throws
                        IOException{
                    String responseText=response.body().string();
                    Weather weather=Utility.handleWeatherResponse(responseText);
                    if (weather !=null && "ok".equals(weather.staus)){
                        SharedPreferences.Editor editor=PreferenceManager.
                                getDefaultSharedPreferences(AutoUpdateService.this).
                                edit();
                        editor.putString("weather",responseText);
                        editor.apply();
                    }
                }
                @Override
                public void onFailure(Call call, IOException e){
                    e.printStackTrace();
                }
            });
        }
    }

    /**
     * 更新必应每日一图
     */
    private void updateBingPic() {
        String requestBingPic="http://guolin.tech/api/bing_pic";
        HttpUtil.sendOkHttpRequest(requestBingPic,new Callback(){
            @Override
            public void onResponse(Call call,Response response)throws IOException{
                String bingPic=response.body().string();
                SharedPreferences.Editor editor=PreferenceManager.
                        getDefaultSharedPreferences(AutoUpdateService.this).edit();
                editor.putString("bing_pic",bingPic);
                editor.apply();
            }
            @Override
            public void onFailure(Call call,IOException e){
                e.printStackTrace();
            }
        });
    }
}
